private String printPostRequest () throws IoException \& String line = in.readLine (); while(lline.isEmpty()) \{ System. out.println(line); line = in.readLine (); return null; As you can see that the technique used in the Simple Date Server is only suitable for GET request. As for POST request, additional post data cannot be read by this approach. In this assignment, you are asked to modify/add/change the code of the method such that the last line can be read and returned so that the post data can be used in subsequent part. As such, the signature of the printPostRequest should be changed to: private string printPostrequest()